<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>

{:captcha_img()}<!--点击可刷新-->
<hr>
<!--<img src="{:captcha_src()}" alt="captcha">-->

<hr>

<form action="../code/check" method="post">
    <input type="text" name="code" id="">
    <input type="submit" value="提交">
</form>
</body>
</html>